Update AUTHORS and DONORS list

New contributors added to AUTHORS:
cdemirer, marstaik, mortarroad, The-O-King

Thanks to all contributors and donors for making Godot possible!

(cherry picked from commit a9df1f5)

AUTHORS.md

@@ -55,6 +55,7 @@ name is available.
     bruvzg
     Cameron Reikes (creikey)
     Camille Mohr-Daurat (pouleyKetchoupp)
+    Caner Demirer (cdemirer)
     Carl Olsson (not-surt)
     Carter Anderson (cart)
     Chris Bradfield (cbscribe)
@@ -147,6 +148,7 @@ name is available.
     Marcus Elg (MCrafterzz)
     Mariano Javier Suligoy (MarianoGnu)
     Mario Schlack (hurikhan)
+    Marios Staikopoulos (marstaik)
     Martin Capitanio (capnm)
     Martin Liška (marxin)
     Martin Sjursen (binbitten)
@@ -160,6 +162,7 @@ name is available.
     Meru Patel (Janglee123)
     Michael Alexsander (YeldhamDev)
     MichiRecRoom (LikeLakers2)
+    Morris "Tabor" Arroad (mortarroad)
     mrezai
     muiroc
     Nathan Franke (nathanfranke)
@@ -169,6 +172,7 @@ name is available.
     Nils André-Chang (NilsIrl)
     Noah Beard (TwistedTwigleg)
     Nuno Donato (nunodonato)
+    Omar El Sheikh (The-O-King)
     Ovnuniarchos
     Pascal Richter (ShyRed)
     Patrick (firefly2442)